Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method and application of Ce<4+> based surface modified plastic template

A technology of surface modification and plastic template, which is applied in the field of template chemical synthesis, which can solve the problems of instability, limited application, poor conductivity, etc., and achieve the effects of uniform shape, improved hydrophilicity, and reduced adsorption energy

Inactive Publication Date: 2019-07-26
CRRC IND INST CO LTD +1
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the surface modification layer formed on the surface of the plastic template by these methods is mainly composed of organic matter, and most of them have many problems such as poor conductivity and instability in strong acid and alkaline solutions, which limit their application in the field of energy storage and conversion.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method and application of Ce&lt;4+&gt; based surface modified plastic template
  • Preparation method and application of Ce&lt;4+&gt; based surface modified plastic template
  • Preparation method and application of Ce&lt;4+&gt; based surface modified plastic template

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1 PET surface modification

[0032] Proceed as follows:

[0033] (1) Put the PET in absolute ethanol, ultrasonically clean it for 10 minutes, and then wash it with distilled water several times to remove the residual ethanol on the surface of the template.

[0034] (2) Soak the cleaned template into the prepared (NH 4 ) 2 Ce(NO 3 ) 6 Soak in cerium ammonium nitrate solution (0.1mol / L) for 2 hours. The immersion temperature can be selected at room temperature or 60°C, the surface modification effect of the latter is stronger than that of the former.

[0035] (3) After the treatment, the template was taken out, cleaned with deionized water, and then soaked in NaOH solution (0.1mol / L) for 5 minutes, and the Ce adsorbed on the surface of the template 4+ ion conversion to CeO 2 .

[0036] (4) Clean the template with deionized water, and use pH test paper to detect the deionized water soaked in PET, so that the pH value is between 6-8.

[0037] Before perf...

Embodiment 2

[0039] Example 2 Preparation of three-dimensional framework functional materials

[0040] Proceed as follows:

[0041] Clean the modified PET template in Example 1, put it into a 45mL Teflon liner, then add 20mL of growth solution (0.1g cerium (III) nitrate; 0.1g urea; 20mL deionized water), and then in In a blast drying oven, the hydrothermal reaction was carried out at 80° C. for 6 hours.

[0042] CeO 2 The growth process uses high temperature to slowly decompose urea in water, so that the pH value of the growth solution increases slowly, and finally cerium (III) nitrate nucleates and grows into CeO 2 (Oxidation by dissolved oxygen in water) conditions.

[0043] Since the reaction process of urea decomposition is very slow, the growth process will preferentially occur at the heterogeneous nucleation sites on the template, and then the homogeneous nucleation growth process will occur in the reaction solution.

[0044] Therefore, this method is suitable for slowly growing fu...

Embodiment 3

[0046] The surface modification of embodiment 3 PET

[0047] Proceed as follows:

[0048] (1) Put the PET in absolute ethanol, ultrasonically clean it for ten minutes, and then wash it with distilled water several times to remove the residual ethanol on the surface of the template.

[0049] (2) Soak the cleaned template into the prepared (NH 4 ) 2 Ce(NO 3 ) 6 Soak in cerium ammonium nitrate solution (0.1mol / L) for 2 hours. The immersion temperature can be selected at room temperature or 60°C, the surface modification effect of the latter is stronger than that of the former.

[0050] After the treatment, the template was taken out, cleaned with deionized water, and then soaked in NaOH solution (0.1mol / L) for 5 minutes, and the Ce adsorbed on the surface of the template 4+ ion conversion to CeO 2 .

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a preparation method and application of Ce<4> based surface modified plastic template. The preparation method includes: taking a Ce<4+> positive ion as a surface modifier andadsorbing the surface modifier on the surface of the plastic template to adsorb Ce<4+>; converting Ce<4+> into CeO2 nanoparticles by the aid of an alkali solution. The template is immersed in the aqueous solution of growth material, and the three-dimensional structural functional material can be obtained through a hydrothermal method. The surface modified plastic template has good hydrophilicity;CeO2 seeds on the surface of the template can be used as the main nucleation site of the subsequent growth functional materials, and no obvious limitation on the subsequent growth of oxide or hydroxide category and structure is caused; a smooth and complete coating is obtained by hydrothermal growth on modified plastic, and the size and the shape of the nanoparticles constituting the plating layerare uniform; the method for modifying the template is timesaving and laborsaving and low in cost, which is of great significance for the wider application of polymer plastics in the future.

Description

technical field [0001] The invention belongs to the field of template chemical synthesis, in particular to a Ce-based 4+ The preparation method and application of the surface-modified plastic template. Background technique [0002] Plastic is a polymer compound that is polymerized by addition polymerization or polycondensation reaction of monomer as raw material. It is the largest and most widely used polymer material in the world today. At present, the application field of plastic materials is still expanding, and it has involved all aspects of the national economy and people's lives. How to modify the surface of plastic materials through a simple chemical template method, so as to realize the functionalization of plastic materials, has become a hot issue that researchers pay more and more attention to. [0003] The template method is the most direct and effective method to prepare three-dimensional structured functional materials. In the process of growing functional ma...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/12C08L67/02
CPCC08J7/12C08J2367/02
Inventor 章潇慧顾佳俊姚露露朱倩莹张荻龚明
Owner CRRC IND INST CO LTD